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PE-bear vs readpe: catalog facts
PE-bear	readpe

Best for: Malware analysts taking a first look at Windows executables	Best for: Malware analysts and reverse engineers inspecting Windows executables
Free Free and open source.	Free Free and open source under GPL-2.0-or-later.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Friendly GUI for inspecting PE structures Built-in disassembly through Capstone Runs on Windows, Linux and macOS	Analyzes Portable Executable binaries from the command line Build instructions cover Linux, macOS, and Windows through Cygwin Includes multiple utilities for PE file analysis
Limited to the PE format Not a full decompiler or debugger	Windows builds require Cygwin
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for PE-bear github.com/hasherezade/pe-bear Catalog checked September 23, 2026	Official website Full listing and sources Sources for readpe github.com/mentebinaria/readpe Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.